公开(公告)号：US12002923B2

公开(公告)日：2024-06-04

申请号：US16892566

申请日：2020-06-04

Applicant: ROGERS CORPORATION

Inventor： Wei Wang ,  Brett Kilhenny ,  Robert Daigle ,  Mark St. Jean ,  Christopher Churchill

IPC: H01M10/658 ,  H01M10/0525 ,  H01M10/659 ,  H01M50/209 ,  H01M50/24 ,  H01M50/293 ,  H01M50/489

CPC classification number: H01M10/0525 ,  H01M10/658 ,  H01M10/659 ,  H01M50/209 ,  H01M50/24 ,  H01M50/293 ,  H01M50/489

Abstract: In an aspect, an intumescent battery pad for a lithium ion battery comprises a polyurethane foam having a compression force deflection of 5 to 1,035 kilopascals at 25% deflection determined in accordance with ASTM D3574-17; and an intumescent material comprising an acid source, a carbon source, and a blowing agent; wherein the intumescent battery pad has a UL-V0 rating at a thickness of 1 millimeter. In another aspect, a battery can comprise at least two battery cells; and an intumescent battery pad located in between the at least two battery cells.